/*
 * Boost Software License - Version 1.0 - August 17th, 2003
 *
 * Permission is hereby granted, free of charge, to any person or organization
 * obtaining a copy of the software and accompanying documentation covered by
 * this license (the "Software") to use, reproduce, display, distribute,
 * execute, and transmit the Software, and to prepare derivative works of the
 * Software, and to permit third-parties to whom the Software is furnished to
 * do so, all subject to the following:
 *
 * The copyright notices in the Software and this entire statement, including
 * the above license grant, this restriction and the following disclaimer,
 * must be included in all copies of the Software, in whole or in part, and
 * all derivative works of the Software, unless such copies or derivative
 * works are solely in the form of machine-executable object code generated by
 * a source language processor.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
 * SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
 * FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 *
 */


#pragma once

namespace Evil {

class ScopedOperation
{
public:
    ScopedOperation( std::function< void() > entry,
                     std::function< void() > exit )
        : m_exitTask( exit )
    {
        if( entry ) {
            entry();
        }
    }

    ~ScopedOperation()
    {
        if( m_exitTask ) {
            m_exitTask();
        }
    }


private:
    std::function< void() > m_exitTask;
};

} //end of namespace Evil

#define AT_SCOPE_EXIT( x ) \
    Evil::ScopedOperation __tnt_scpop( 0, [ & ]() { x; })

#define SCOPE_LIMIT( x, y ) \
    Evil::ScopedOperation __tnt_scpop( [ & ]() { x; }, [ & ]() { y; })
    
    